Shareholders' Equity - Components of accumulated other comprehensive income, net of tax (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Shareholders' Equity | |||||
| Beginning balance accumulated other comprehensive (loss) income | $ (28,470) | $ (36,887) | $ (36,887) | ||
| Net unrealized gain (loss) on available for sale securities, net of tax | $ 249 | $ 1,644 | (469) | $ 4,788 | 9,077 |
| (Loss) gain from unfunded post-retirement benefit obligation, net of tax | (660) | ||||
| Ending balance accumulated other comprehensive (loss)income | $ (28,939) | $ (28,939) | $ (28,470) | ||
| X | ||||||||||
- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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